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63,747
RESULTS

Media Type
57,831
texts
2,853
movies
2,298
audio
459
images
201
software
71
data
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Topics & Subjects
21,524
NASA Technical Reports Server (NTRS)
4,853
control
4,494
ERIC Archive
3,418
data
3,343
remote control
3,142
DTIC Archive
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Collection
21,524
NASA Network Resource and Training Site
6,992
The ARCHIVE.ORG Manual Library
6,062
The BITSAVERS.ORG Documents Library
5,926
American Libraries
4,494
Education Resources Information Center (ERIC) Archive
4,339
FEDLINK - United States Federal Collection
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Creator
21,524
nasa technical reports server (ntrs)
4,494
eric
3,142
defense technical information center
1,217
united states. bureau of entomology and plant quarantine
468
united states.: bureau of entomology and plant quarantine
337
non
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Language
58,440
English
156
Spanish
127
German
68
French
19
Arabic
12
Portuguese
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